The Denominator in Chi-Square Is There to

question 8

Multiple Choice

The denominator in chi-square is there to

• A) keep the resulting answer in perspective relative to the total frequency.
• B) keep the result in perspective relative to the size of the expected frequency.
• C) keep people honest.
• D) control the probability of a Type II error.

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Definitions:

Dispersed

Spread out over a wide area; not concentrated in one place.

Grade Distribution

The spread of grades given for a specific academic assessment, typically shown as a frequency distribution.

Chebyshev's Theorem

A statistical rule that gives a minimum proportion of observations that fall within a specified number of standard deviations from the mean, for any distribution.

Empirical Rule

A statistical rule stating that for a normal distribution, nearly all data will fall within three standard deviations of the mean.